Revert of IDL: Null values should be converted for non-nullable dictionary members

Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp

Index: Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp
diff --git a/Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp b/Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp
index 5c661ec9a82207d29de05c05d904e6d0acc447ad..9ee8ce1645f2e3b48a732de6b9e291d306101c29 100644
--- a/Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp
+++ b/Source/bindings/tests/results/core/V8TestInterfaceEventInit.cpp
@@ -28,15 +28,12 @@
     v8::Local<v8::Object> v8Object = v8Value->ToObject(isolate);
     v8::TryCatch block;
     v8::Local<v8::Value> stringMemberValue = v8Object->Get(v8String(isolate, "stringMember"));
-    if (block.HasCaught()) {
+    if (!stringMemberValue.IsEmpty() && !isUndefinedOrNull(stringMemberValue)) {
+        TOSTRING_VOID(V8StringResource<>, stringMember, stringMemberValue);
+        impl.setStringMember(stringMember);
+    } else if (block.HasCaught()) {
         exceptionState.rethrowV8Exception(block.Exception());
         return;
-    }
-    if (stringMemberValue.IsEmpty() || stringMemberValue->IsUndefined()) {
-        // Do nothing.
-    } else {
-        TOSTRING_VOID(V8StringResource<>, stringMember, stringMemberValue);
-        impl.setStringMember(stringMember);
     }
 
 }